Cov khoom tseem ceeb

Slocable ib txwm hais txog kev tswj hwm nruj ntawm kev tswj hwm kev ua haujlwm zoo, thiab tau dhau ISO9001 kev tswj hwm, uas tuaj yeem ua tiav kev tswj hwm thiab tswj tau raws li cov qauv thoob ntiaj teb;kuj tseem muaj cov cuab yeej zoo tshaj plaws thiab cov khoom siv tshuaj ntsuam xyuas kom ua tiav cov kev sim thiab kev tswj xyuas cov khoom zoo kom ntseeg tau tias cov khoom zoo thiab kev ua tau zoo raws li cov neeg siv khoom xav tau thiab txhim kho cov neeg siv khoom txaus siab.